Allegiant Air Fleet Airbus A319-100 Aircraft Details and Pictures. As a Low Cost Carrier (LCC) airlines, Allegiant Air operated some aircraft model, one of them is narrow body twin jet Airbus A319-100. Currently Allegiant Air operated 31 Airbus A319-100, and placed 6 orders more. Allegiant flies this Airbus A319 aircraft in a one class configuration […]